CN106606380B - The recovery system of embolization protective device and embolism filter - Google Patents
The recovery system of embolization protective device and embolism filter Download PDFInfo
- Publication number
- CN106606380B CN106606380B CN201510698612.7A CN201510698612A CN106606380B CN 106606380 B CN106606380 B CN 106606380B CN 201510698612 A CN201510698612 A CN 201510698612A CN 106606380 B CN106606380 B CN 106606380B
- Authority
- CN
- China
- Prior art keywords
- conduit
- recovery system
- seeker
- recycling
- intravascular stent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/01—Filters implantable into blood vessels
- A61F2/013—Distal protection devices, i.e. devices placed distally in combination with another endovascular procedure, e.g. angioplasty or stenting
Landscapes
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses the recovery systems of a kind of embolization protective device and embolism filter, recovery system is used to be placed on the embolism filter (2) recycling in intravascular stent (1) distal side, the recovery system includes movably passing through the recycling conduit (3) of the intravascular stent (1), there is the recycling conduit (3) far distance port (31) entered for the embolism filter (1) to store the embolism filter (2), the recovery system further includes the seeker (4) that the recycling conduit (3) is guided to pass through the intravascular stent (1), the seeker (4) is removably disposed in the far distance port (31).The seeker of distal end of catheter mouth is recycled by being placed in, recycling conduit can be guided to pass through the intravascular stent inserted, and the side wall with intravascular stent is avoided to interfere, ensures that the position of intravascular stent is stablized.It can be removed additionally, due to seeker, can ensure that embolism filter enters in recycling conduit to be recycled by far distance port simultaneously.
Description
Technical field
The present invention relates to embolisms in medical instrument to protect field, and in particular, to a kind of recovery system of embolism filter
With the embolization protective device for using the recovery system.
Background technology
The interventional treatment of intravascular stent is widely used in the treatment of the cardiovascular and cerebrovascular diseases such as angiemphraxis.Although this skill
Art progress is rapid, but is embedded in treatment using intravascular stent for example also there are more problems for carotid disease method.Specifically,
Such as when carrying out the Vascular implantation of arteria carotis, the movement of various control conduits may make the embolism position on drive vascular wall
It puts, such as atherosclerotic plaque etc..If this embolization material of leaving is moved and entered in brain vascular system in the blood vessel, by band
Carry out the potential risks such as cerebral ischemic damage.
Therefore, during the inserting of such intravascular stent is carried out, usually using embolization protective device.It specifically, can be
Embolism filter is inserted in a distal side of inserting for intravascular stent first, which can be formed as the filter screen such as umbrella,
So during intravascular stent is inserted, the thrombus such as patch to come off position will be collected by filter screen without entering with blood
The positions such as brain vascular, so as to reduce the risk thus brought.After treating that intravascular stent is inserted, then pass through dedicated recycling conduit
Embolism filter is recycled.It, so can be when recycling conduit and passing through intravascular stent however, since intravascular stent at this time is implanted
It is interfered with intravascular stent, inventor has found that this interference can be that the intravascular stent inserted brings dislocation even injury blood
The danger of tube wall, so as to cause complication.
The content of the invention
It is an object of the present invention to provide a kind of recovery systems of embolism filter, and the system structure is ingenious, can
The intravascular stent inserted is avoided interference with during embolism filter is recycled, and can normally recycle embolism filtering
Device.
It is a further object to provide a kind of embolization protective device, which is provided using the present invention
Recovery system.
To achieve these goals, according to an aspect of the present invention, a kind of recovery system of embolism filter is provided, is used
It is recycled in the embolism filter for being placed on intravascular stent distal side, the recovery system includes movably passing through the blood vessel
The recycling conduit of stent, the recycling conduit have the far distance port entered for the embolism filter to store embolism filtering
Device, the recovery system further include the seeker that the recycling conduit is guided to pass through the intravascular stent, which can be removed
Ground is placed in the far distance port.
Preferably, the recovery system includes the first control conduit, which is connected with the seeker, with
The seeker is controlled along the recycling conduit axial movement.
Preferably, the recovery system has initial position, passes through position and reception position, in the initial position, institute
The inside that the first control conduit controls the seeker to be located at the recycling conduit is stated, position, first control are passed through described
Seeker described in guidance management and control system is moved to the far distance port compared with the recycling conduit, to guide the recycling tube passing therethrough
The intravascular stent, in the reception position, the first control conduit controls the seeker to be moved back to the recycling conduit
Inside, so that the embolism filter is accommodated into the recycling conduit from the far distance port.
Preferably, the near-end of the recycling conduit is formed as operating side.
Preferably, the seeker is formed as section by closely to remote gradually smaller conical head.
Preferably, the outer surface of the conical head is globoidal structure.
According to another aspect of the present invention, a kind of embolization protective device is provided, the bolt including intravascular stent distal side can be placed in
Filter is filled in, which further includes recovery system provided by the invention.
Through the above technical solutions, the seeker by being placed in recycling distal end of catheter mouth, can guide recycling conduit smooth
Through the intravascular stent inserted, and the side wall with intravascular stent is avoided to interfere, ensure that the position of intravascular stent is stablized.
It can be removed additionally, due to seeker, can ensure that embolism filter enters in recycling conduit to be returned by far distance port simultaneously
It receives.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is together for explaining the present invention, but be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structure diagram that the recovery system that the preferred embodiment for the present invention provides is in initial position；
Fig. 2 is that the recovery system that the preferred embodiment for the present invention provides is in the structure diagram for passing through position；
Fig. 3 is structure diagram (the embolism mistake that the recovery system that the preferred embodiment for the present invention provides is in reception position
Filter is introduced into recycling conduit)；
Fig. 4 is structure diagram (the embolism mistake that the recovery system that the preferred embodiment for the present invention provides is in reception position
Filter and entrance recycling conduit).
Reference sign
1 intravascular stent, 2 embolism filter
3 recycling 4 seekers of conduit
5 leading silks 21 second control conduit
42 first control conduits
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In the present invention, in the case where not making explanation on the contrary, the noun of locality such as " remote, near " used is to carry out blood vessel branch
It is defined based on the intervention point of human body during frame placement in the treatment, i.e., the direction away from intervention point is remote, close to the side of intervention point
To be near.In addition " inside and outside " is the inner and outer definition with corresponding object profile.
As shown in Figures 1 to 4, the recovery system of a kind of embolism filter provided by the invention and using the recovery system
Embolization protective device.Wherein, embolization protective device includes that the embolism filter 2 in 1 distal side of intravascular stent can be placed in and for that will put
The recovery system that embolism filter 2 in 1 distal side of intravascular stent recycles.Wherein, embolism filter 2 can be formed as the mistake of umbrella
Filter structure, can be realized open and close by the second control conduit 21, and can move axially to realize along leading silk 5
It inserts and recycles.Wherein, embolism position can be filtered and is captured when opening, and can be closed with logical in recycling
Cross recovery system recycling.Wherein, leading silk 5, the intravascular stent of various parts guiding are carried out during being inserted as intravascular stent 1
1 structure and insert principle, embolism filter 2 and its second control conduit 21 structure and operation principle be this field skill
Well known to art personnel, do not do excessively repeat herein.
In order to achieve the object of the present invention, recovery system provided by the invention is included movably through intravascular stent 1
Conduit 3 is recycled, which has the far distance port 31 for the entrance of embolism filter 1 to store the embolism filter 2, this
The inventor of invention has found that occurring the problem of recycling conduit 3 interferes intravascular stent 1 in the prior art has its source in, and far distance port 31 is opened
It puts so as to cause recycling conduit 3 when passing through intravascular stent 1 along leading silk 5, distal end wall easily hits the side wall of intravascular stent 1,
It shifts or is damaged so as to cause intravascular stent 1, therefore, recovery system provided by the invention further includes guiding recycling conduit 3 and passes through
The seeker 4 of intravascular stent 1, the seeker 4 are removably disposed in far distance port 31.
In this way, the seeker 4 by being placed in recycling 3 far distance port 31 of conduit, can avoid the distal end wall of recycling conduit 3 from hitting
Onto intravascular stent 1, recycling conduit 3 can not only be guided to pass through the intravascular stent 1 inserted, and effectively solved and blood
The problem of side wall of pipe holder interferes ensures that the position of intravascular stent 1 is stablized.And at the same time since seeker 4 is removable
It removes, can also can ensure that embolism filter 2 is entered by far distance port 31 after recycling conduit 3 passes through intravascular stent 1 and recycle
It is recycled in conduit 3.That is, the seeker 4 that uses of the present invention solves simultaneously passes through intravascular stent 1 and guarantee
The problem of embolism filter 2 is into recycling conduit 3, clever structure is highly practical.
Wherein, in a preferred embodiment of the invention, in order to play this guiding function, the section of seeker 4 is by near
To remote gradually smaller conical head, in this way, after seeker 4 collides intravascular stent 1, the cunning that can smooth out therebetween
It is dynamic, avoid the impact to intravascular stent 1.And doctor can be reminded to correct the movement locus of current recycling conduit 3, safety in time
Property higher.It is highly preferred that the lateral surface of conical head is formed as globoidal structure, blood vessel branch is passed through so as to be more easy to guiding recycling conduit 3
Frame 1 avoids the impact to intravascular stent 1.In addition, the sectional area of 4 proximal end face of seeker can be equal to the far distance port of recycling conduit 3
31 sectional area, so as to ensure best guiding effect.The moving along leading silk 5 of conduit 3 is recycled in order to facilitate the operation, and recycling is led
The near-end of pipe 3 can be formed as operating side, i.e., at work, the near-end of recycling conduit 3 is always positioned at outside human body, so as to facilitate doctor
Raw operation.In other modes, the axial movement of additional pilot control recycling conduit 3 can also be used.In addition, this hair
The first control conduit 41, the second catheter guide tube 21 and recycling conduit 3 in bright can be moved to axial and connected respectively
Onto the propeller operated by doctor, consequently facilitating operation.
In a preferred embodiment of the invention, in order to realize that seeker 4 is removably disposed in far distance port 31, it is preferable that
Recovery system include first control conduit 41, this first control conduit 41 be connected with seeker 4, with control the seeker 4 along time
Conduit 3 is received to move axially.Specifically, the first control conduit 41 can be movably set in outside the second control conduit 21, in this way,
By the axial movement of seeker 4, seeker 4 can be caused to be placed in far distance port 31 when required by the first control conduit 41 and rise
To the effect of guiding recycling conduit 3, and can be then accommodated in when not needed by the first control conduit 41 in recycling conduit 3,
So as to open far distance port 31 so as to so that embolism filter 2 is entered in recycling conduit 3.In other possible embodiments,
Balloon structure can also be designed as by the way of other removal seekers 4, such as by seeker 4, inflated when it is desired to be used
Increase can closed distal end mouth 31, without being that pressure release is only needed to cause sacculus atrophy.
Specifically, as shown in Figures 1 to 4, recovery system provided by the invention has initial position as shown in Figure 1, such as
It is shown in Fig. 2 to pass through position and reception position as shown in Figure 3 and Figure 4.In initial position, as shown in Figure 1, first controls conduit
41 control seekers 4 are located at the inside of recycling conduit 3, and recycling conduit 2 is standby at this time, that is, prepare recycling embolism filtering
The state of device 2.Position is being passed through, as shown in Fig. 2, i.e. when needing to recycle embolism filter 2, the first control control of conduit 41 is drawn
Top guide 4 is moved to far distance port 31 compared with recycling conduit 3, at this time using the seeker 4, recycling conduit 3 can be guided to pass through blood
Pipe holder 1 avoids the distal end wall of far distance port 31 from striking intravascular stent 1 by the seeker 4.In reception position, first such as
, it is necessary to which the first control conduit 41 controls seeker 4 to be moved back to the inside for recycling conduit 3 shown in Fig. 3, so as to open far distance port 31, from
And as shown in figure 4, being accommodated into recycling conduit 3 from far distance port 31 by the second control 21 embolism filter 2 of conduit of operation.Its
In, can closed state be entered by the control of the second control conduit 21 first in embolism filter 2 so as to be more easy into recycling
In conduit 2.After embolism filter 2 into after recycling conduit 3, it can be controlled by the first control conduit 41, second of operation simultaneously
Conduit 21 and recycling conduit 3 are withdrawn from vitro, so as to complete the recycling of embolism filter 2.
To sum up, recovery system provided by the invention can either ensure the recycling to embolism filter 2, and be avoided that blood vessel
The impact of stent 1 has higher practicability and promotional value.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that the specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (5)
1. a kind of recovery system of embolism filter is returned for being placed on the embolism filter (2) in intravascular stent (1) distal side
It receives, which is characterized in that the recovery system includes movably passing through the recycling conduit (3) of the intravascular stent (1), the recycling
There is conduit (3) far distance port (31) entered for the embolism filter (2) to store the embolism filter (2), described time
Receipts system further includes the seeker (4) that the recycling conduit (3) is guided to pass through the intravascular stent (1), and the seeker (4) is removable
Except ground is placed in the far distance port (31), the recovery system includes the first control conduit (41), the first control conduit (41) with
Seeker (4) connection, the seeker (4) to be controlled to be moved axially along the recycling conduit (3),
The recovery system has initial position, passes through position and reception position, and in the initial position, first control is led
The inside that (41) control the seeker (4) to be located at the recycling conduit (3) is managed, position, first control are passed through described
Conduit (41) controls the seeker (4) to be moved to the far distance port (31) compared with the recycling conduit (3), with described in guiding
Recycling conduit (3) passes through the intravascular stent (1), in the reception position, the first control conduit (41) control described in draw
Top guide (4) is moved back to the inside of the recycling conduit (3), to pass through second control conduit (21) described embolism filter (2)
The recycling conduit (3) is accommodated into along leading silk (5) from the far distance port (31).
2. recovery system according to claim 1, which is characterized in that the near-end of the recycling conduit (3) is formed as operating
End.
3. recovery system according to claim 1, which is characterized in that the seeker (4) is formed as section by closely to remote
Gradually smaller conical head.
4. recovery system according to claim 3, which is characterized in that the outer surface of the conical head is globoidal structure.
5. a kind of embolization protective device, the embolism filter (2) including intravascular stent (1) distal side can be placed in, which is characterized in that should
Embolization protective device is further included according to the recovery system described in any one in claim 1-4.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510698612.7A CN106606380B (en) | 2015-10-23 | 2015-10-23 | The recovery system of embolization protective device and embolism filter |
| PCT/CN2016/101707 WO2017067395A1 (en) | 2015-10-23 | 2016-10-10 | Recycling system for embolism protection apparatus and embolism filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510698612.7A CN106606380B (en) | 2015-10-23 | 2015-10-23 | The recovery system of embolization protective device and embolism filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106606380A CN106606380A (en) | 2017-05-03 |
| CN106606380B true CN106606380B (en) | 2018-06-05 |
Family
ID=58556714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510698612.7A Active CN106606380B (en) | 2015-10-23 | 2015-10-23 | The recovery system of embolization protective device and embolism filter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106606380B (en) |
| WO (1) | WO2017067395A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108403254B (en) * | 2018-03-19 | 2024-03-29 | 内蒙古工业大学 | Novel recoverable vena cava filter |
| CN110575225A (en) * | 2018-06-07 | 2019-12-17 | 微创神通医疗科技（上海）有限公司 | Thrombectomy device and interventional medical system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101416890A (en) * | 2007-10-22 | 2009-04-29 | 北京有色金属研究总院 | Inferior vena cava filter recovery device |
| CN101612432A (en) * | 2009-07-06 | 2009-12-30 | 成正辉 | The conveying of intravascular distal protector and recovery conduit |
| CN101616639A (en) * | 2007-03-20 | 2009-12-30 | Minvasys公司 | The equipment and the method that are used for the support conveying of strap bolt plug protection |
| CN102056574A (en) * | 2008-04-03 | 2011-05-11 | 加尔迪亚医疗有限公司 | Retrieval catheter and methods of retrieving deployed medical devices |
| CN205144794U (en) * | 2015-10-23 | 2016-04-13 | 李雷 | Recovery system of embolism protection device and embolism filter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7115138B2 (en) * | 2002-09-04 | 2006-10-03 | Boston Scientific Scimed, Inc. | Sheath tip |
-
2015
- 2015-10-23 CN CN201510698612.7A patent/CN106606380B/en active Active
-
2016
- 2016-10-10 WO PCT/CN2016/101707 patent/WO2017067395A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101616639A (en) * | 2007-03-20 | 2009-12-30 | Minvasys公司 | The equipment and the method that are used for the support conveying of strap bolt plug protection |
| CN101416890A (en) * | 2007-10-22 | 2009-04-29 | 北京有色金属研究总院 | Inferior vena cava filter recovery device |
| CN102056574A (en) * | 2008-04-03 | 2011-05-11 | 加尔迪亚医疗有限公司 | Retrieval catheter and methods of retrieving deployed medical devices |
| CN101612432A (en) * | 2009-07-06 | 2009-12-30 | 成正辉 | The conveying of intravascular distal protector and recovery conduit |
| CN205144794U (en) * | 2015-10-23 | 2016-04-13 | 李雷 | Recovery system of embolism protection device and embolism filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106606380A (en) | 2017-05-03 |
| WO2017067395A1 (en) | 2017-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7147631B2 (en) | Rapid exchange dilation catheter for non-vascular applications | |
| US20080188866A1 (en) | Apparatus and methods for removing relatively large and small stones from a body passage | |
| US20110202039A1 (en) | Method for Removing Kidney Stones and Endoscope Suitable for Said Method | |
| CN113423452B (en) | Cerebral vascular lesion observation and treatment equipment | |
| KR20150026802A (en) | Guard catheter for guarding the RVOT wire, guard method in Mitral cerclage coronary sinus annuloplasty | |
| CN106606380B (en) | The recovery system of embolization protective device and embolism filter | |
| CN107149511A (en) | Intravascular filter and intravascular protector | |
| US11229346B2 (en) | Medical method for a lumen | |
| EP3582694B1 (en) | Interventional device for specimen retrieval | |
| CN205144794U (en) | Recovery system of embolism protection device and embolism filter | |
| AU764480B2 (en) | Devices for extracting biliary or urinary stones | |
| US8353851B2 (en) | Apparatus for automatic replacement of instruments during minimally invasive procedures | |
| US20150297875A1 (en) | Vascular dilator systems, kits, and methods | |
| Springhart et al. | Use of Stone Cone minimizes stone migration during percutaneous nephrolithotomy | |
| US9364261B2 (en) | Apparatus and method for removing a foreign object from a rectal cavity | |
| CN213883417U (en) | Dilating sheath assembly | |
| CA3014598A1 (en) | Rapid exchange sheathless predilatation angioplasty and stent deployment catheter | |
| CN211155959U (en) | Disposable surgical operation guiding device | |
| US20160302948A1 (en) | Rapid exchange sheathless predilatation angioplasty and stent deployment catheter | |
| CN215651007U (en) | Multifunctional bronchoscope | |
| JP7004487B1 (en) | Devices and methods for loading medical devices into catheters | |
| KR970009352B1 (en) | Basket catheter for removal of calculus | |
| KR20240113847A (en) | Thrombotic material extraction | |
| US10278850B2 (en) | Stent deployment and postdilatation non-compliant balloon catheter and methods of use | |
| US20150257782A1 (en) | Adjustable Catheter System |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |